Tesla Cybertruck lead engineer Wes Morrill has shared a warning about using extension cords for Supercharger stalls. As per the Tesla lead engineer, utilizing North American Charging Customary (NACS) extension cords might current issues of safety.
Morrill’s remark got here as a response to an electrical automobile fanatic who discussing an aftermarket NACS DC extension twine. By utilizing a NACS extension twine, non-Tesla autos like Rivian’s R1T and R1S might keep away from utilizing up two charging areas once they use the Supercharger Community.
As per the Cybertruck lead engineer, nonetheless, utilizing an extension twine on a Supercharger or another DC charging station shouldn’t be preferable in any respect. Morrill famous that he has seen a number of cases of cable overheating with using such objects.
Would suggest AGAINST utilizing an extension twine on a supercharger (or any DC charging station with a liquid cooled cable). Have seen a number of cases of the cable overheated and shorting DC +/-
There is a temperature measurement within the deal with and the supercharger derates primarily based…
— Wes (@wmorrill3) September 18, 2024
“Would suggest AGAINST utilizing an extension twine on a supercharger (or any DC charging station with a liquid cooled cable). Have seen a number of cases of the cable overheated and shorting DC +/-.
“There’s a temperature measurement within the deal with and the supercharger derates primarily based on that temperature. With the extension cable that security goes away. On prime of including an extra junction which generates warmth making issues worse,” Morrill wrote in his put up on X.
Whereas using extension cords for Tesla Superchargers could seem handy, drivers ought to remember the fact that every facet of a Supercharger is constructed by design. This contains the cable size of present Superchargers, which is probably going optimized for reliability and security. Successfully modifying the size of a Supercharger cable via an extension twine could then current some security dangers.
Tesla is thought for prioritizing security in each its autos and its charging infrastructure. This is likely one of the explanation why the corporate has issued warnings in opposition to some widespread charging practices prior to now, equivalent to using a moist towel on a NACS deal with to push extra energy right into a automobile. As per Tesla again in July, utilizing a moist material on a Supercharger cable creates a threat of overheating.
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